baber/WOPTO huggingface dataset:
Patent NL-8104788-A (NL)
Title: Lorry-loading hoist unit - has hydraulic rams between hinging tailboard and lifting slides working in vertical guides
IPC: B60P1/44
Filed: 1981-10-22
Abstract: The hoist is for loading and unloading lorries, having two slides suspended from hoist ropes and moved up and down in guides on the lorry, and a tailboard hinging on the slides. Hydraulic rams (6) are mounted between the tailboard (4) and the slides (1), and can be connected by flexible hoses to a pressure pump, the hoses winding onto reels. They can be mounted above or below the tailboard. The design allows the tailboard to be set at any convenient angle for loading or unloading.FL.
Patent NL-8302783-A (NL)
IPC: B60P3/025
Filed: 1983-08-05
Abstract: Vehicle comprising side walls (1) and (2) pivotable to the floor (3) of the vehicle and a roof (4) pivotable to a side wall, and supports extending near the roof within the space enclosed by the side walls for supporting part of an unspanned roofing made from pliable material and fastened to the free edges of the side walls and the roof, whereas the space covered by said roofing can be inflated to form an air hall.
Patent NL-8401977-A (NL)
Title: Unit moved along sandy beach to remove washed-up oil - has driven horizontal shaft with axially spaced discs and scrapers between discs to discharge adhering oil
IPC: E01H12/00
Filed: 1984-06-22
Abstract: The mechanism is intended for removing oil washed-up on a (sandy) beach. It comprises (a unit moved along and carrying) a horizontal independently driven shaft (1) with a number of axially spaced discs (2) just in contact with the sand. Scrapers (3) arranged in the spaces between the discs remove the adhering oil which is discharged (4) e.g. via a conveyor belt.
Patent NL-8702922-A (NL)
Title: Security vehicle for money transport to banks - has roof-mounted telescopic tubes, dome, transporter and discharge
IPC: B60P3/03
Filed: 1987-12-03
Abstract: The vehicle transports e.g. gems or money, and includes a dome-shaped turret with attached telescopic tube with internal transporter, and discharge opening for attaching to building front. The vehicle includes a cabin (1) and a load compartment (2). Attached to the vehicle roof is a dome shaped turret (3) rotatable on a vertical centre line (4) by means of an inner gear wheel rim (5) and a pinion (6) driven by a motor (7). Attached to the turret is a telescopic tube arrangement (11, 12) which can swing, e.g. towards an opening in a building wall. Valuables are moved on the internal transporter for final discharge through a mouth piece (38) closable by a hinged hatch (39).
Patent NL-8703034-A (NL)
Title: Clamp for vertical anode rod in aluminium electrolysis unit - has anode secured to bus=bar using two hinging lever arms adjustably bolted outer ends and with curved section on each forming hinge
IPC: C25C3/16
Filed: 1987-12-15
Abstract: The clamp is for securing a vertical anode rod to a horizontal bus-bar of an electrolysis installation in the prodn. of aluminium. There are two relatively hingeable levers and two projecting trunnions supporting them, on hooks bolted to the bus bar. The levers are hingeably adjusted w.r.t. each other by a worm threaded bolt and a single nut. The levers are made as castings both provided with cylindrical segments forming rotating surfacesmaking hinging possible without a separate material hinge shaft. One of the castings has a cam-part which grippingly contacts the curved inner rotating surface of the other casting.
Patent NL-8902125-A (NL)
Title: New sugar alcohol derivs. - such as 1,4 cyclic sulphate(s) of sugar alcohol(s) having protected hydroxy gps., for use as intermediates
IPC: C07H15/14
Filed: 1989-08-23
Abstract: The following are claimed (A) a 1,4 cyclic sulphate of a sugar alcohol having protected hydroxy gps. (B) a process for prepg. a 1,4 cyclic sulphate of a sugar alcohol having protected OH gps., in which a sugar alcohol having free 1- and 4-OH gps., its remaining OH gps. being protected, is reacted with thionyl chloride in the presence of an acid binding agent and the resulting 1,4 cyclic sulphite is oxidised to the corresp. 1,4 cyclic sulphate. (C) A process for prepg. a 3-deoxy-2-octulosonic acid cpd. or a 3-deoxy-2-heptulosonic acid cpd. having protected or unprotected OH gps., or their salts or esters, which comprises reacting either a 1,4-cyclic sulphate of a hexitol having protected 2-, 3-, 5- and 6-OH gps. or a 1,4 cyclic sulphate of a pentitol having protected 2-, 3- and 5-OH gps., with an anion of a dithioacetal cpd. of a glyoxylic acid ester, hydrolysing the sulphate gp., removing the dithioacetal gp., opt. removing the OH protecting gps. and opt. converting the resulting ester into the free acid, a salt or another ester.
Patent NL-9000604-A (NL)
Title: Electric light bulb with incandescent filament - has insulated fuse-wire connections in screw cap
IPC: H01K1/66
Filed: 1990-03-16
Abstract: The light bulb has a transparent glass envelope (1) with an Edison screw, base cap (4). The conductors (11, 12) to the filament (3) pass through a conventional 'pinch' seal (2), but are connected to the external contacts (6, 8) via lengths of fuse wire (11', 12'). The fuse-wire (12') to the central contact (8) of the lamp base is enclosed in an insulating sleeve (13) made of polyurethane resin or a similar material. In the case of a similar lamp with a bayonet fitting, both wires are insulated.
Patent NL-9100989-A (NL)
IPC: C12N7/01
Filed: 1991-06-07
Abstract: Deletion mutant of bovine herpesvirus type 1 which has a deletion in the glycoprotein gE-gene. The mutant may further have a deletion in the thymidine kinase gene and/or the glycoprotein gI-gene, or have an insertion of a heterologous gene. Recombinant nucleic acid which comprises the gE-gene or a part thereof. Glycoprotein gE, peptides based thereon and complexes of the glycoproteins gE and gI, and antibodies against them. Vaccines and diagnostic kits comprising any one of these materials.
Patent NL-9200753-A (NL)
Title: Method of controlling the emission of volatile constituents
IPC: A01K1/01
Filed: 1992-04-24
Abstract: A method is provided for controlling the emission of volatile components, such as ammonia vapour, from organic products. These organic products can be present in animal quarters. According to the invention, those floor sections are periodically treated with a liquid mixture which inhibits the release of the volatile components. Use can be made, for this purpose, of a liquid mixture consisting of a solution of acidified manure, one option being to use an ebb-and-flow system (tidal system) in which the liquid mixture is periodically pumped to a level above the floor sections and is then again allowed to collect below the floor sections. The floor sections can consist of the usual grids (gratings) on which cows and the like are kept.
Patent NL-9500159-A (NL)
Title: Mortise door lock
Inventor: WUNDERLICH DIETER
IPC: E05B17/00
Filed: 1995-01-30
Abstract: The invention relates to a mortise door lock having a lock case, the same bolt mechanism (locking mechanism) being suitable both for a bit key and for a cylinder lock. To this end, plate contours with predetermined breaking points, perforations or the like are disposed in the keyhole region which, having been broken away, expose an opening which matches the outer contour of a lock cylinder.
Patent OA-10677-A (OA)
Inventor: MURSCHALL URSULA
IPC: B29C51/08
Filed: 1998-04-03
Abstract: The present invention relates to an amorphous, thermoformed moulding, with a thickness in the range of from 1 to 20 mm, which as the main component contains a crystallisable polyethylene terephthalate and is characterised by good mechanical and good optical properties. The moulding can optionally be transparent, dyed to be translucent or dyed to be opaque. In a preferred embodiment, it is also UV-stabilised. The invention also relates to a method for the production of said moulding, and use thereof.
Patent OA-11105-A (OA)
Title: Mobile hospital system
Inventor: HIRAYAMA KENSUKE
IPC: B60P3/00
Filed: 1999-03-01
Abstract: A mobile hospital can be moved by means of tractors (9), helicopters, railway locomotives and/or sea vessels and adapted to provide comprehensive diagnoses and medical treatments to casualties and patients. It comprises a plurality of container wagons (6-11) adapted to functionally operate as part of a hospital and be moved appropriately by transportation means so as to be able to set up a comprehensive hospital system (1) by connecting said plurality of container wagons on site, some of said container wages being supplied with water, power and fuel oil from a water supply wagon (2), a power generation wagon (3) and a oil supply wagon (4) respectively. With such an arrangement, a comprehensive hospital system (1) can be set up by connecting said plurality of container wagons on site in a region hit by a natural disaster or a harsh military dispute so that it can provide relevant medical services to a large number of patients including casualties. <IMAGE>
Patent PT-78977-A (PT)
Title: Chemical compounds
IPC: C07D401/12
Filed: 1984-07-25
Abstract: Compounds of the formula (I): <CHEM> and their salts are histamine H2-antagonists, wherein: R<0> is 2-guanidinothiazol-4-yl or a group R<1>R<2>N(CH2)nZ- wherein R<1> and R<2> are hydrogen or various substituted alkyl groups or are joined together to form a ring; n ist 1 to 6; Z is 2,5-furanyl, 2,5-thienyl, 2,4-pyridyl (wherein R<1>R<2>N(CH2)n- is at position 4), 2,4-thiazolyl (wherein R<1>R<2>N(CH2)n is at position 2) or 1,3-or 1,4-phenylene; m is zero or one; Y is a bond, oxygen, sulphur or methylene; p is 2 to 4; q is zero or one; R<3> is hydrogen or C1-6 @alkyl@; and R<4> is hydrogen or C1-6alkanoyl. Pharmaceutical compositions containing them are described as are processes for their preparation and intermediates therefor.
Patent PT-79837-A (PT)
Title: Process for the preparation of 5,11-dihydro-6h-dibenzo<b,e>azepine-6-ones substituted and pharmaceutical compositions therewith
IPC: C07D223/20
Filed: 1985-01-18
Abstract: The invention relates to novel substituted 5,11-dihydro-6H-dibenz[b,e]azepin-6-one of the formula    <IMAGE> (I)  wherein A represents a (1-methyl-4-piperidinyl)-acetyl, (4-methyl-1-piperazinyl)-acetyl, or [(1-methyl-4-piperidinyl)-amino]-carbonyl group, and the acid addition salts thereof, which have valuable pharmacological properties, particularly an ulcer-inhibiting and secretion-inhibiting activity. The compounds of Formula I may be prepared using methods conventionally used for analogous compounds.
Patent PT-83315-A (PT)
Title: Method and composition for the simultaneous cleaning and disinfecting of contact lenses
IPC: C11D3/386
Filed: 1986-09-05
Abstract: A one step method for cleaning and disinfecting contact lenses is accomplished by immersing the lenses in a solution containing peroxide and a peroxide-active enzyme.
Patent PT-85620-A (PT)
Title: Automatic shut=off valve for gas pipelines - is controlled by timer under normal conditions, and is closed by gas pressure when pipeline fails
IPC: F16K1/14
Filed: 1987-08-28
Abstract: A forward direction closing safety valve device comprises an automatic shutting safety valve provided within a pressure transforming chamber and being controlled by a timing device under normal condition. The valve is capable of closing itself in response to the forward direction flow of the excessive high pressure gas caused upon pressure reducing failure in the pipeline passage. It will no longer be caused to open by the control of the timing device so as to achieve its objective of automatically shutting the pipeline passage off by means of the help provided by the high pressure gas in the forward direction in prevention of the disaster of gas explosion from happening accidentally.
Patent PT-92622-A (PT)
Inventor: SCHAEFER HANS
IPC: A61K9/16
Filed: 1989-12-19
Abstract: The invention relates to a pharmaceutical or cosmetic composition for topical application, containing, in a suitable carrier, microspheres of polymers or of fatty substances filled with at least one active product, characterized in that at least 80% of the microspheres employed have a diameter of between 3 (my)m and 10 (my)m.
Patent PT-95073-A (PT)
Inventor: KLAUSENER ALEXANDER
IPC: C07D237/24
Filed: 1990-08-22
Abstract: There are described novel substituted acrylic acid esters of the formula (I) 
<IMAGE>
 in which
 R<1>, R<2>, A, B, R and Q have the meanings given in the description,
 and several processes for their preparation. 
<??>The novel compounds of the formula (I) are used for controlling pests.
Patent PT-96318-A (PT)
Inventor: ECKERT KLAUS-DIETER
IPC: A47K5/12
Filed: 1990-12-21
Abstract: A device is described for dispensing flowable media, which device consists of a container with a tube of elastically deformable materials and a valve device in the tube part, the device having a stationary contact-pressure part and a pivotable lever possessing a contact-pressure surface. The pivotable lever serves to compress the tube section arranged between the contact-pressure part and the contact-pressure surface, opening the valve device and dispensing the medium contained in the tube, the tube being connected to a pivotable section of the lever.
Patent PT-98391-A (PT)
Inventor: BLACK DONALD WILLIAM
IPC: C02F3/08
Filed: 1991-07-19
Abstract: Waste water treatment plant of the type in which liquid and solid components of waste water are first separated by settlement, biomass in the waste water is then subjected to digestion by microorganisms supported on rotary contactors (29, 30) which periodically expose the biomass to air, and finally the waste water undergoes a second settlement to separate remaining solids. The plant comprises a plurality of rotary contactor units (29, 30), each accommodated in a biozone tank (22, 24, 26) arranged in a row above respective primary settlement tanks (12, 14, 16). The axes of rotation of the units are transverse to the row of tanks, and each unit has its own individually controllable drive. A sludge storage tank is provided to receive settled sludge from the primary settlement tanks (12, 14, 16), the tank being divided into compartments (38, 40, 42), one per primary settlement tank. Pumps (44) are provided to transfer sludge from the primary settlement tanks (12, 14, 16) to the storage tank. The floors of the settlement tanks and sludge tanks are benched to localise the sludge for easy removal.
Patent SI-9300133-A (SI)
Inventor: ZAGER MIRAN
IPC: G05D23/00
Filed: 1993-03-19
Abstract: Predmet izuma je naprava za avtomatsko
omejevanje odvzema toplotne moči, ki deluje kot
toplotna varovalka in omogoča nadzorovano porabo
in avtomatsko omejevanje pri prekoračitvi zakupljene
toplotne moči porabnikov, priključenih na distribucijsko
omrežje. Naprava po izumu omogoča prilagajanje
oz. omejevanje v primeru prekomerne porabe trenutnega
toka, ki preko izmenjevalca prihaja do uporabnika.
Naprava za avtomatsko omejevanje odvzema
toplotne moči po izumu, ki jo sestavljata upravljalno
vezje z ustreznimi senzorskimi elementi in izvedbena
elektromotorno gnana dušilna armatura, omogoča
meritev in regulacijo dejanskega trenutnega odjema
toplotne moči iz distribucijskega sistema s pomočjo
trenutnih meritev temperature v dovodu in odvodu ter
vrednosti trenutne pretočene količine ogrevnega medija,
glede na prednastavljene vrednosti dovoljenega
odjema toplotne moči.
Patent SI-9300469-A (SI)
Title: Antivirally active pharmaceutical oil-in-water emulsion containing 9-((2-hydroxyethoxy)methyl)guanine (acyclovir) or salt or ester thereof
Inventor: GEBHARD-HANSEN KNUD ERIK
IPC: A61K47/10
Filed: 1993-09-09
Abstract: An antivirally active pharmaceutical oil-in-water emulsion containing 9-[(2-hydroxyethoxy)methyl]guanine (acyclovir) or a salt or ester thereof as an active ingredient in the continuous aqueous phase, said phase in addition to said active ingredient and the dispersed oil phase containing a water miscible organic solvent, wherein a polyhydric alcohol may form a constituent. The emulsion comprises from 1 % to 10 % w/w of acyclovir or a salt or ester thereof, from 20 % to 50 % w/w of organic solvent comprising from 5 % to 50 % w/w glycerol formal and from 0 % to 29 % w/w of a polyhydric alcohol, and from 20 % to 40 % w/w water, said percentages being based on the total weight of the formulation. As a polyhydric alcohol propylene glycol may be used, and the emulsion may be available as a cream, wherein the oil phase comprises white vaseline, liquid paraffin (paraffin oil), glycerol monostearate, and stearic acid.
Patent TR-20874-A (TR)
IPC: G05D23/02
Filed: 1979-09-17
Abstract: A temperature responsive fluid control valve (10) with sequential control functions, employing a pair of axially aligned hollow elongate plungers (22, 70) and a pair of ball valves each comprising a valve member (32, 90) and a valve seat (34, 92). One ball valve is straddled by the two plungers, being biased onto its seat by the second plunger and movable from its seat by the first plunger. This ball valve controls a first fluid path (42, 56) in response to a temperature sensitive element (18") acting on the first plunger. The second ball valve is operated sequentially after the first, via the second plunger for control of a second fluid path (78, 86) in response to the same temperature sensitive element. The valve is suitable for use in regulating the temperature of an engine by using the first fluid path to control a shutter (58) and the second fluid path to control a fan (88) to control together the flow of air past the engine radiator.
Patent UA-15546-A (UA)
Title: Jalis method for determination of direction of rectified current
Inventor: DZHALA ROMAN MYKHAILOVYCH
Filed: 1990-03-05
Abstract: Method for determination of direction of rectified current through transformation of strength of magnetic or electric field of current to electric signal. One separated first and second alternating variable harmonic components of signal. At instants of first harmonic component coming to extreme value one cuts strobes of second harmonic component and by sign of strobe-pulses obtained one determines direction of rectified current. If signs of extreme of first harmonic component and strobe-pulse are opposite, direction of current coincides with chosen one. If signs coincide, direction of current is opposite to chosen one.
Patent UA-12865-A (UA)
Title: Heat generator
Filed: 1990-06-21
Abstract: Heat generator has body with combustion chamber separated with vertical partition from afterburning chamber and with fire grate formed with perforated pipes. Pipes of fire grate are installed with intersection of plane of partition and go to afterburning chamber.
Patent UA-15768-A (UA)
Title: Composition for backfill of watered cracked rocks
Inventor: Kipko Ernest Yakovych
Filed: 1990-08-23
Abstract: Composition for backfill of watered and cracked rocks includes wastes of hydraulic processing of diamond-containing rocks, cement, sodium chloride and water. Additionally composition includes zeolite.
Patent UA-26313-A (UA)
Inventor: DISSE BERND
IPC: C07K2/00
Filed: 1990-07-03
Abstract: An agent for the substitution therapy of the respiratory diseases contains the surface active substances including the natural substances such as phospholipids, neutral lipids and natural proteins and/or synthetic lipids and recombinant proteins. The invention relates to the agent for the substitution therapy of the respiratory diseases, predominantly in the asthmatic fits.
Patent BG-100095-A (BG)
Title: Method for the preparation of 3-methylpiperidine and 3-methylpyridine by catalytic recycling of 2-methyl-1.5-diaminopentan
Inventor: HEVELING JOSEF
IPC: B01J27/138
Filed: 1995-10-25
Abstract: PCT No. PCT/EP94/01005 Sec. 371 Date Nov. 2, 1995 Sec. 102(e) Date Nov. 2, 1995 PCT Filed Mar. 30, 1994 PCT Pub. No. WO94/22824 PCT Pub. Date Oct. 13, 1994In a process for preparing 3-methylpiperidine or 3-methylpyridine from 2-methyl-1,5-diaminopentane in the gaseous phase, the initial product is made to flow over catalysts. In the first step, 3-methylpiperidine is produced, and if required 3-methylpyridine is produced in a second step.
Patent BG-102417-A (BG)
Title: Method and pharmaceutical composition for lipid concentration regulation
Inventor: BOCAN THOMAS M
IPC: A61K31/22
Filed: 1998-04-29
Abstract: The method and the composition are used in the treatment ofpatients with manifested ischemic syndromes or with higher risk tothe development of such ailments as a result of which theendogenous vascular endotheliumdependent functions are restored.The composition contains a combination of ACAT inhibitor, such assulphamic acid, [  /2,4,6-tris-(1-methylethyl)phenyl/acetyl]-2,6-bis(1-methylethyl)phenyl ester and inhibitor ofHMG-CoA-redictase, such as atorvastatin. This combination reducesbetter the plasma VLDL and LDL cholestirol and increases the HDLcholestirol in comparison with individually used inhibitors whichreduce the atherogenous lipoprotein profile.25 claims
Patent BG-102761-A (BG)
Title: Method for the preparation of durable lactic acid drinks
Inventor: ENCHEV STEFAN E
IPC: A23C9/156
Filed: 1998-09-10
Abstract: The method is used in the food industry for the production of turbid drinks based on yoghourt with different fruit additives. It considerably improves the homogeneity with the complete absence of unwanted fermentation which increases the shelf life for the consumption of the drinks up to 180 days. Water and/or other fruit compositions in preselected ratio are added to the yoghourt. The finished drink produced is being continuously agritated, sterilized or pasteurized after which is packed. After the agitation the drink is preheated to 50-70 degrees C, deaerated at underpressure of -1 to +0.7 bar where the air dissolved in it is discharged in the atmosphere and the remaining aromatic components in the vapours are returned after condensation. The drink is homogenized and fed for sterilization at temperature of heating ranging from 90 to 110 degrees C and retention time of 10 to 120 s, or for pasteurization at heating temperature from 70 to 80 degrees C and retention time of 10 to 120 s. There follows shock cooling at temperatures from 18 to 25 degrees C. 1 claim
Patent CN-1310165-A (CN)
Title: 8－烷基－8－三环癸基(甲基)丙烯酸酯及其制备方法
Inventor: HYONCHIN CHONG
IPC: C08F20/18
Filed: 2001-02-19
Abstract: 本发明提供了一种新型的三环癸基(甲基)丙烯酸酯化合物及其制备方法。该化合物为分子式(1)的8－烷基－8－三环癸基(甲基)丙烯酸酯,其中R 1 为甲基或乙基,R 2 为氢或甲基。
Patent CN-1323858-A (CN)
Title: 太阳光谱选择性吸收涂层
Inventor: SHI YUEYAN
IPC: C09D5/00
Filed: 2001-05-29
Abstract: 本发明属于太阳能集热器技术领域,包括以玻璃、抛光金属为基体,通入纯氩气,在其上先沉积铝膜构成选择性吸收涂层的底层,再通入适量的空气沉积构成吸收层和纯介质的减反射层。本发明具有工艺简单容易控制,价格低廉,膜层稳定性高,减反射效果好,又无任何污染和危险性等优点。
Patent CN-1421550-A (CN)
Title: 硼磷酸钠晶体的熔体生长方法
Inventor: WU YICHENG
IPC: C30B29/22
Filed: 2001-11-30
Abstract: 本发明涉及一种硼磷酸钠晶体的熔体生长方法，是将合成好的Na 5 [B 2 P 3 O 13 ]化合物粉末放在坩埚中，采用提拉生长法、熔体泡生法或坩埚下降生长法，进行晶体生长，制得硼磷酸钠晶体；该方法简单易操作，可稳定生长出22×24×20mm的Na 5 [B 2 P 3 O 13 ]的透明晶体，具有很宽的透光波段，良好的机械性能，不潮解，易加工、易保存等优点。
Patent CN-1435312-A (CN)
Title: 钢塑复合管材制造设备
Inventor: ZHANG MINGWEI
IPC: B29C65/18
Filed: 2002-06-27
Abstract: 本发明是生产钢塑复合管材的设备，它的构成有集管式装管车、加温加压圆筒体、冷却水设备、控制线路、机械零配件、轨道，构成了一条产量高、质量好且节约能源的设备。一连串物理变化过程和控制，保证了产品产量和质量。
Patent CN-1470202-A (CN)
Inventor: YUHAO LIN
IPC: A45F3/02
Filed: 2002-07-24
Abstract: 本发明公开了一种腰肩两用包，它包括相互连接的包体和带体，包体与带体连接处等宽并以拉链连接两侧边，所述包体另设一可折叠的夹层，所述夹层隐藏在两拉链封闭的空间内，另在包体朝向带体的一面装设另一拉链，而在带体上设调节扣。使用上述设计，腰包和肩包便可巧妙地做成一体，腰包和肩包之间通过夹层的展开和收合而转化，而带体也可根据变化而调整长短，方便人们使用。
Patent CN-1410339-A (CN)
Title: 用于安装电梯设备竖井门的方法和嵌入框
Inventor: DASILWA N F
IPC: E04G21/18
Filed: 2002-09-23
Abstract: 本发明涉及一种用于安装电梯设备竖井门(11)的方法，其中首先将包括定位件(3)和嵌入框(2)的模板(1)嵌入毛坯竖井门开口(RS)内，接着对嵌入框(2)与竖井壁连接，然后将定位件(3)从嵌入框(2)上拆卸下来并随后将竖井门(11)安装在由嵌入框(2)构成的竖井门开口(9)上。本方法可以实现对竖井门的迅速、准确和整洁的安装。
Patent CN-1425659-A (CN)
Title: 丹参丹酚酸b的制备方法
Inventor: ZHANG FENGXIA
IPC: C07D307/84
Filed: 2002-12-31
Abstract: 本发明公开了一种丹参丹酚酸B的制备方法。其工艺步骤为：1.水提取；2.酸化提取液；3.柱层析法分离、纯化丹酚酸B；4.干燥。用本发明方法制备丹酚酸B提取率高、纯度高，提取物中丹酚酸B的含量可达到90％以上，且质量稳定，可大规模生产。